Apple has released the macOS Big Sur 11.2 update that fixes Bluetooth reliability issues on Macs with the M1 processor. Users who can update to the latest version can wait for the automatic update to begin overnight, or open the System Preferences app and select Software Update. The update arrives alongside iOS 14.4 which was focused on bug fixes and minor feature updates. The update addresses an issue reported by users whose Bluetooth devices were disconnecting from their M1-based Macs. The issue affected peripherals like mice and keyboards and even AirPods. Other bug fixes for macOS Big Sur 11.2 include: External displays may show a black screen when connected to a Mac mini (M1, 2020) using an HDMI to DVI converter